According to a new report, Xiaomi is set to furnish up to 89 devices with MIUI 13, its next OS. Blackshark, Mi, POCO and Redmi devices are all included, although not some older flagships like the Mi 8, Mi Mix 3 and Pocophone F1.
https://www.notebookcheck.net/MIUI-13-set-to-reach-upwards-of-89-Xiaomi-POCO-Blackshark-and-Redmi-smartphones-later-this-year.538000.0.html